Lansoprazole
Lansoprazole 30MG
What is Lansoprazole?
Lansoprazole is a medication used to treat conditions like heartburn and acid reflux, as well as stomach ulcers. It helps reduce the amount of acid your stomach makes, allowing your esophagus to heal and preventing further damage.Side Effects
- Unusual bleeding, bruising, tiredness, or weakness
- Fever, swelling in your body, unusual weight gain, change in how much or how often you urinate, blood in the urine
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Warnings
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, lupus, osteoporosis, vitamin B12 deficiency, or phenylketonuria (PKU).
- This medicine may cause the following problems: Kidney problems, including acute tubulointerstitial nephritisIncreased risk of broken bones in the hip, wrist, or spine (more likely if used several times per day or longer than 1 year)Serious skin reactions, including Stevens-Johnson syndrome, toxic epidermal necrolysis, acute generalized exanthematous pustulosis, and drug reaction with eosinophilia and systemic symptoms (DRESS)LupusFundic gland polyps (abnormal growth in the upper part of your stomach)Increased risk for heart problems (including heart valve thickening) in children younger than 1 year of age
- This medicine can cause diarrhea. Call your doctor if the diarrhea becomes severe, does not stop, or is bloody. Do not take any medicine to stop diarrhea until you have talked to your doctor. Diarrhea can occur 2 months or more after you stop taking this medicine.
- Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
Prescription savings · · · ·
What is Lansoprazole ?
Lansoprazole is a medication used to treat conditions like heartburn and acid reflux, as well as stomach ulcers. It helps reduce the amount of acid your stomach makes, allowing your esophagus to heal and preventing further damage.- Unusual bleeding, bruising, tiredness, or weakness
- Fever, swelling in your body, unusual weight gain, change in how much or how often you urinate, blood in the urine
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Blistering, peeling, or red skin rash
- Joint pain, rash on your cheeks or arms that gets worse in the sun
- Severe diarrhea that does not go away, stomach cramps or pain, nausea, vomiting, loss of appetite, weight loss
- Dry mouth, increased thirst, confusion, numbness and tingling around the mouth, fingertips, or feet
- Seizures, dizziness, fast or uneven heartbeat, muscle cramps or twitching
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, lupus, osteoporosis, vitamin B12 deficiency, or phenylketonuria (PKU).
- This medicine may cause the following problems: Kidney problems, including acute tubulointerstitial nephritisIncreased risk of broken bones in the hip, wrist, or spine (more likely if used several times per day or longer than 1 year)Serious skin reactions, including Stevens-Johnson syndrome, toxic epidermal necrolysis, acute generalized exanthematous pustulosis, and drug reaction with eosinophilia and systemic symptoms (DRESS)LupusFundic gland polyps (abnormal growth in the upper part of your stomach)Increased risk for heart problems (including heart valve thickening) in children younger than 1 year of age
- This medicine can cause diarrhea. Call your doctor if the diarrhea becomes severe, does not stop, or is bloody. Do not take any medicine to stop diarrhea until you have talked to your doctor. Diarrhea can occur 2 months or more after you stop taking this medicine.
- Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Lansoprazole Coupons & Prices
Lansoprazole 30MG
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Looking for a lansoprazole coupon? Lansoprazole is the low-cost generic version of Prevacid, a proton pump inhibitor (PPI) that reduces stomach acid. Because it is already an inexpensive generic, you do not need insurance to save, but the cash price can vary widely from one pharmacy to the next. Enter your ZIP above to compare today's lansoprazole price across more than 60,000 pharmacies and use the Rx.com discount at the counter.
What is lansoprazole and how does it work?
Lansoprazole is a proton pump inhibitor (PPI). It works by blocking the pumps in the stomach lining that produce acid, which lowers the overall amount of acid your stomach makes. Less acid gives irritated tissue a chance to heal and eases symptoms tied to excess acid.
The prescription form is FDA-approved for gastroesophageal reflux disease (GERD) and erosive esophagitis in adults and children 1 year and older, for healing and maintenance of duodenal and gastric ulcers, for preventing NSAID-associated stomach ulcers, as part of a combination regimen with antibiotics such as amoxicillin and clarithromycin to treat H. pylori infection, and for acid-oversecretion conditions such as Zollinger-Ellison syndrome. An over-the-counter version, Prevacid 24HR, is approved for a 14-day course to treat frequent heartburn that happens 2 or more days a week.
Lansoprazole cost and coupon savings without insurance
Lansoprazole is available as a generic, so it is one of the more affordable acid-reducing medications. Even so, the cash price is not the same everywhere. The same prescription can cost noticeably more at one pharmacy than at another down the street, which is exactly why comparing before you fill matters.
Rx.com checks the discounted cash price at more than 60,000 U.S. pharmacies so you can see who is cheapest near you. You do not need insurance to use it, and the discount often beats a standard insurance copay on a generic. Enter your ZIP above to see today's lansoprazole price and print or show the free coupon at the pharmacy counter. Brand-name Prevacid is also available if your prescriber specifies it, but the generic contains the same active ingredient.
Lansoprazole vs. other PPIs and alternatives
Lansoprazole belongs to the same PPI family as several other widely used acid reducers. They all lower stomach acid in a similar way, though people sometimes respond better to one than another, and prices differ. Common alternatives, most available as low-cost generics, include:
Because pricing varies by drug and pharmacy, it is worth comparing the coupon price on more than one of these with your prescriber's guidance. Your provider can help you decide which PPI fits your condition best.
Safety and side effects to know
Lansoprazole has no boxed warning, but long-term or high-dose use has been linked to a higher risk of bone fractures (hip, wrist, and spine), low magnesium levels, vitamin B12 deficiency, and Clostridioides difficile-associated diarrhea. Less commonly it can cause acute interstitial nephritis (a kidney problem), lupus-like reactions, and rare serious skin reactions. The general guidance is to use the lowest effective dose for the shortest time needed. If you take the OTC version, do not exceed a 14-day course more often than every 4 months unless a clinician advises it.
Lansoprazole can interact with medicines that need stomach acid to be absorbed and with drugs such as clopidogrel, methotrexate, atazanavir, iron salts, and St. John's wort. This is general information and not medical advice. Tell your provider or pharmacist about everything you take, and talk with them about how long you should stay on lansoprazole.
This Lansoprazole information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.
Verify the official label: Lansoprazole on DailyMed (FDA)
Reviewed against FDA labeling · Last reviewed July 2026
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Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.